Update minimum version of ESLint

Author: mesaugat

README.md

@@ -10,7 +10,7 @@ Set of [ESLint](https://eslint.org/) rules for JavaScript projects at Leapfrog.
 
 ## Requires
 
-- ESLint **>= 4.19.0**
+- ESLint **>= 6.0.0**
 
 ## Usage
 
@@ -40,17 +40,13 @@ For projects using React, include `eslint-config-leapfrog/react` which contains
 
 Following are the projects compliant to these rules. Send us a PR and we'll add you to the list.
 
-* [Async Store - Koa Example](https://github.com/leapfrogtechnology/async-store/tree/master/examples/koa-http-server-js) 
-* [Express API ES6 Starter](https://github.com/mesaugat/express-api-es6-starter) 
-* [Frogtoberfest](https://github.com/leapfrogtechnology/frogtoberfest)
-* [get-js](https://github.com/kabirbaidhya/get-js)
-* [js-jatra](https://github.com/leapfrogtechnology/js-jatra)
-* [Just Handlebars Helpers](https://github.com/leapfrogtechnology/just-handlebars-helpers)
-* [SyncDb - Node MSSQL Example](https://github.com/leapfrogtechnology/sync-db/tree/master/examples/node-app-mssql)
-
-## Using TypeScript?
-
-Use [tslint-config-leapfrog](https://github.com/leapfrogtechnology/tslint-config-leapfrog).
+- [Async Store - Koa Example](https://github.com/leapfrogtechnology/async-store/tree/master/examples/koa-http-server-js)
+- [Express API ES6 Starter](https://github.com/mesaugat/express-api-es6-starter)
+- [Frogtoberfest](https://github.com/leapfrogtechnology/frogtoberfest)
+- [get-js](https://github.com/kabirbaidhya/get-js)
+- [js-jatra](https://github.com/leapfrogtechnology/js-jatra)
+- [Just Handlebars Helpers](https://github.com/leapfrogtechnology/just-handlebars-helpers)
+- [SyncDb - Node MSSQL Example](https://github.com/leapfrogtechnology/sync-db/tree/master/examples/node-app-mssql)
 
 ## License